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Human Health and Pesticides. Outline Pesticides are important! Health benefits Health dangers How people are exposed Pesticides and the body Specific.

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Presentation on theme: "Human Health and Pesticides. Outline Pesticides are important! Health benefits Health dangers How people are exposed Pesticides and the body Specific."— Presentation transcript:

1 Human Health and Pesticides

2 Outline Pesticides are important! Health benefits Health dangers How people are exposed Pesticides and the body Specific illnesses/injuries due to pesticides How to prevent and identify exposure

3 Pesticides are important! Pesticides are a valuable tool in modern agriculture. Component of Integrated Pest Management Many pesticides can be used safely, but like all tools, care must be taken when using.

4 Health benefits Bacteria killed by chlorine in drinking water Bacteria spread in hospitals managed by disinfectants Disease carrying insects repelled by insecticides Data from: Whitford, F., Pike, D., Hanger, G., Burroughs, F., Johnson, B., and Blessing, A. The Benefits of Pesticides A Story Worth Telling. Purdue Extension. PPP-70. Purdue University.

5 Health dangers There are also dangers associated with pesticides. These include acute and chronic effects. Acute – Headache, nausea, skin irritation, rash, etc. Chronic – Cancer, reproductive and nervous system problems, organ damage Data from: Whitford, F., Edwards, C. R., Neal, J. J., Martin, A. G., Osmun, J., Hollingworth, R. M., and Blessing, A. Pesticides and Personal Safety. PPP-20. Purdue Pesticide Programs. Purdue University Cooperative Extension Service.

6 How are people exposed to pesticides? During application Preparing for application (mixing) Drift Consuming foods with residue Drinking contaminated water Residues brought into the home

7 Pesticides and the body Three routes of pesticide entrance into body: – Skin Absorbed during contact with skin or eyes Body parts absorb at different rates – Mouth May be very serious Can occur when pesticides are stored improperly – Lungs Can enter bloodstream quickly, damage respiratory tissue Powders and small droplets/mist inhaled Data from: Schulze, L. D., Ogg, C. L., and Vitzthum, E. F. Signs and Symptoms of Pesticide Poisoning, EC2505. University of Nebraska Cooperative Extension EC A.

8 Prostate cancer What is prostate cancer? Risk factors for prostrate cancer include farming. Risk increases for pesticide applicators by – 41% in commercial applicators – 27% in private applicators Data from: Alavanja, M. C. R., Blair, A., Sandler, D. P., Hoppin, J., and Thomas, K. Prostrate Cancer and Agricultural Pesticides. Agricultural Health Study

9 Retinal degeneration What is retinal degeneration (RD)? RD and fungicide application may be related RD and insecticide application may be related Data from: Alavanja, M. C. R., Blair, A., Sandler, D. P., Hoppin, J., and Thomas, K. Retinal Degeneration in Licensed Pesticide Applicators. Agricultural Health Study

10 Parkinson’s disease Risk of Parkinson’s disease, when a certain combination of pesticides were applied near homes in California, increased 75%. Younger people have higher risk when exposed. Data from: Costello, S., Cockburn, M., Bronstein, J., Zhang, X., and Ritz, B. Parkinson’s Disease and Residential Exposure to Maneb and Paraquat From Agricultural Applications in the Central Valley of California American Journal of Epidemiology. Vol. 169, No. 8. DOI: /aje/kwp006. Accessed 26 March 2010.Http://aje.oxfordjournals.org

11 Thyroid disease Thyroid disease increased in women married to pesticide applicators. Certain pesticides correlated with increased risk. Data from: Goldner, W. S., Sandler, D. P., Yu, F., Hoppin, J. A., Kamel, F., and LeVan, T. D. Pesticide Use and Thyroid Disease Among Women in the Agricultural Health Study American Journal of Epidemiology. Vol. 171, No. 4. DOI: /aje/kwp404. Accessed 26 March

12 How to prevent exposure Follow label directions Wear personal protective equipment Apply pesticides during the right environmental conditions Spray only when you need to

13 Personal Protective Equipment

14 Pesticide exposure symptoms Dependent upon pesticide, amount, and type of exposure Range from skin irritation, headache, and nausea to incontinence, seizures, and death Can be confused with other illnesses Data from: Schulze, L. D., Ogg, C. L., and Vitzthum, E. F. Signs and Symptoms of Pesticide Poisoning, EC2505. University of Nebraska Cooperative Extension EC A.

15 What to do in case of emergency If serious conditions such as convulsions, difficulty breathing, or unconsciousness occur, call 911. The label supplied with the pesticide should have instructions on administering first aid. For first aid help, the Poison Control Center can be reached at Data from: United States Environmental Protection Agency. Pesticides: Health and Safety

16 Conclusions Pesticides are an important tool in modern agriculture. Consider both the risks and benefits. Caution must be taken when using pesticides. Follow the label for correct application. Wear personal protective equipment. Be safe and watch out for the safety of others!


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